Sony MEX-M72BT Service Manual page 55

MEX-M72BT/N5300BT/N7300BD
Ver. 1.1
• IC Block Diagrams
– MAIN Board –
IC001 SDP2014AHN/V205
VDDA_IFADC 1
DIGITAL CONTROL
DIGITAL
OSCILLATION
VSSA_IFADC 2 TUNING
SYSTEM
VBGP 3 DIVIDERS
FM_CAP 4
FM_IN_M 5
FM
FRONT-END
FM_IN_P 6
VDDA_RF 7
VSSA_RF 8
AM
FRONT-END
POWER
9 10
IC003 MM3411A12NRE
VDD 1
GND 2
VOLTAGE
REFERENCE
CE 3 BIAS
IC201 LV56851UV-XH
OVP ALL OUTPUT OFF EXCEPT VDD
TSD ALL OUTPUT OFF
CTRL
1 2 3 4 5
55
32 31 30 29 28 27 26
XTAL
OSCILLATION
A/D RADIO AUDIO
CONVERTER PROCESSING PROCESSING
I2S INPUT I2S OUTPUT
BUFFER BUFFER
11 12 13 14 15 16
5 VOUT
CURRENT
LIMIT
4 NC
+
OVP
VREG 5.1V
UVDET
OVDET
VREF 1.25V
OVP
BDET
TSD/
SYS_EN
TWARN
OVP
6 7 8 9 10 11
25
24 SDA
I2C
IC CONTROL
UNIT
23 VSSD_IO
STEREO D/A
22 VDDD
CONVERTER
21 VSSD
20 GPIO_3
19 I2S_SD_1
18 I2S_BCK
17 I2S_WS
VDD
+
VREF
VDD
+
FILT
–
RESET
VDD
VDD
I2C-BUS
OVP
CTL
TSD
UV
OV
12 13 14 15
Sony CONFIDENTIAL
For Authorized Servicer
SYS SET